Weather in Wisconsin Dells, Wisconsin for May 2026
Frost Advisory - See hour by hour.
Until now, May 2026 in Wisconsin Dells has been significantly cooler than historical averages by -2 °F, with average temperature of 13.4 °F.
The forecast for the upcoming days in Wisconsin Dells predicts a temperature of 20.6 °F, which is slightly above the historical average.
In general, the average temperature in Wisconsin Dells at the beginning of May is 15.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.1 °F by the end of May.
Wisconsin Dells in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 176.1 mm.
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Wisconsin Dells Weather May
Temperatures trend during May in Wisconsin Dells
May weather in Wisconsin Dells day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Partly cloudy | 13° /5° | 1.9 mm | 5 | |
| May 2 |  Moderate rain | 12° /4° | 17 mm | 5 | |
| May 3 |  Mist | 17° /6° | 1.5 mm | 5 | |
| May 4 | Moderate rain | 17° /5° | 1.7 mm | 5 | |
| May 5 | Mist | 16° /4° | 0 mm | 6 | |
| May 6 |  Sunny | 16° /4° | 0 mm | 6 | |
| May 7 |  Light rain shower | 17° /6° | 3.9 mm | 5 | |
| May 8 |  Thundery outbreaks possible | 19° /4° | 0.7 mm | 6 | |
| May 9 | Sunny | 19° /8° | 0 mm | 6 | |
| May 10 | Patchy rain possible | 12° /2° | 0.2 mm | 6.7 | |
| May 11 | Sunny | 16° /1° | 0 mm | 6.9 | |
| May 12 | Moderate rain | 21° /6° | 5.3 mm | 0 | |
| May 13 | Partly cloudy | 17° /9° | 0 mm | 4 | |
| May 14 | Sunny | 20° /6° | 0 mm | 4 | |
| May 15 | Partly cloudy | 26° /15° | 0 mm | 6 | |
| May 16 | Patchy rain possible | 23° /14° | 0.2 mm | 4 | |
| May 17 | Partly cloudy | 22° /13° | 0.1 mm | 5 | |
| May 18 | Patchy rain possible | 25° /17° | 0.5 mm | 5 | |
| May 19 | Partly cloudy | 24° /15° | 0 mm | 5 | |
| May 20 | Patchy rain possible | 23° /15° | 4.2 mm | 4 | |
| May 21 | Partly cloudy | 18° /8° | 0 mm | 4 | |
| May 22 | Moderate rain | 22° /11° | 5.6 mm | 4 | |
| May 23 |  Overcast | 19° /8° | 0 mm | 5 | |
| May 24 |  Patchy light rain with thunder | 19° /8° | 1.4 mm | 5 | |
| May 25 | Partly cloudy | 19° /7° | 0 mm | 5 | |
| May 26 |  Moderate or heavy rain with thunder | 18° /9° | 6.2 mm | 4 | |
| May 27 | Patchy rain possible | 18° /10° | 0.6 mm | 4 | |
| May 28 | Light rain shower | 17° /10° | 8.2 mm | 4 | |
| May 29 | Patchy rain possible | 19° /9° | 0.7 mm | 5 | |
| May 30 | Sunny | 21° /9° | 0 mm | 5 | |
| May 31 | Patchy rain possible | 22° /9° | 0 mm | 5 | |
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Wisconsin Dells in May - FAQ
What are the expected maximum and minimum temperatures in Wisconsin Dells during May?
How much rainfall should be expected in Wisconsin Dells during May?
What are the typical wind conditions in Wisconsin Dells during May?
May rainfall patterns in Wisconsin Dells
UV exposure in Wisconsin Dells during May
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Where is Wisconsin Dells?Get accurate weather forecasts for Wisconsin Dells, located at latitude 43.627 and longitude -89.771. Stay updated with localized weather information tailored for Wisconsin Dells.